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authorGerd Hoffmann <kraxel@redhat.com>2013-01-21 11:18:47 +0100
committerGerd Hoffmann <kraxel@redhat.com>2013-01-22 11:01:07 +0100
commitf4c0e5011b96d67b87db407854ee948da708a0d9 (patch)
tree586e92d8e7017b9cb940b881dd8b5fe26a7ea617 /hw/usb
parent1356b98d3e95a85071e6bf9a99e8799e1ae1bbee (diff)
downloadfocaccia-qemu-f4c0e5011b96d67b87db407854ee948da708a0d9.tar.gz
focaccia-qemu-f4c0e5011b96d67b87db407854ee948da708a0d9.zip
Revert "usb-storage: Drop useless null test in usb_msd_handle_data()"
This reverts commit a1cbfd554e11bb8af38c2f3e1f1574bf4c563cd2.

Test isn't useless.  scsi_req_enqueue() may finish the request (will
actually happen for requests which don't trigger any I/O such as
INQUIRY), then call usb_msd_command_complete() which in turn will
set s->req to NULL after unref'ing it.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb')
-rw-r--r--hw/usb/dev-storage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index b839798eaf..1b87352db0 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -427,7 +427,7 @@ static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
             scsi_req_print(s->req);
 #endif
             scsi_req_enqueue(s->req);
-            if (s->req->cmd.xfer != SCSI_XFER_NONE) {
+            if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
                 scsi_req_continue(s->req);
             }
             break;